History of mib 2 changes

In crates/hub/src/flow.rs, lines 1336–1342 on 5d90e0e045e2765ec3216fdc770fe79882c0f8460dc4fe9cf573eadecec94b14. Every change that wrote or deleted one of these lines, or deleted a line from between them. Exact, because each line keeps its identity across edits; edits elsewhere in the file are not here. Also: oxy log -L 1336,1342:crates/hub/src/flow.rs.